Home / 156,115.73-215,444.93-95,674.70

Finding the Fourth Proportional to 156,115.73, 215,444.93 and 95,674.70

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Solution

The fourth proportional to 156,115.73, 215,444.93 and 95,674.70 is: 132,034.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,115.73 : 215,444.93 = 95,674.70 : x
  2. Step 2: Convert to fraction form
    156,115.73/215,444.93 = 95,674.70/x
  3. Step 3: Cross multiply
    156,115.73x = 215,444.93 × 95,674.70
  4. Step 4: Simplify right side
    156,115.73x = 20,612,629,044.27
  5. Step 5: Solve for x
    x = 20,612,629,044.27/156,115.73
  6. Step 6: Final answer
    x = 132,034.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.